Alert archive / Georgia / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 42, NWS Atlanta, GA

March 11, 2000Harris County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Mar 11, 2000, 9:59 AM EST for Harris County, Georgia. It was in force for 31 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Mar 11, 2000, 9:59 AM EST (14:59 UTC)
Expired
Mar 11, 2000, 10:30 AM EST
In force
31 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Harris County, GA

The radar

The Atlanta radar (KFFC), 77 km from the middle of the area, began a volume at 14:59 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 3.0 hours before the alert went out and 80 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 12:00Z on 2000-03-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 22 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 12:00Z on 2000-03-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
22 J/kg
Mixed-layer CIN
-189 J/kg
Mixed-layer LCL
1274 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
168 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS52 KFFC 111459
SVRATL
GAC145-111530-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
959 AM EST SAT MAR 11 2000

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  HARRIS COUNTY IN WEST CENTRAL GEORGIA

* UNTIL 1030 AM EST

* AT 954 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 20 MILES WEST OF WAVERLY HALL...OR ABOUT 7
  MILES NORTH OF SMITHS...MOVING EAST AT 20 MPH.

WIDESPREAD WIND DAMAGE IS EXPECTED WITH THESE STORMS. WINDS MAY KNOCK
DOWN TREES AND POWER LINES AND DAMAGE BUILDINGS. TAKE COVER NOW.

IF YOU SEE DAMAGE OR LARGE HAIL...CALL THE NATIONAL WEATHER SERVICE
AT 7 7 0 4 8 6 1 1 3 3 AT EXTENSION 2 0 4.

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 10, 11:00 PM ESTSevere Thunderstorm WarningFFCChattooga, Floyd, Polk45 min
Mar 10, 11:14 PM ESTSevere Thunderstorm WarningFFCBartow31 min
Mar 10, 11:31 PM ESTSevere Thunderstorm WarningFFCCatoosa, Whitfield29 min
Mar 10, 11:45 PM ESTSevere Thunderstorm WarningFFCBartow, Cherokee, Gordon, Pickens45 min
Mar 10, 11:45 PM ESTSevere Thunderstorm WarningFFCFloyd45 min
Mar 11, 12:07 AM ESTTornado WarningFFCPickens23 min
Mar 11, 12:30 AM ESTSevere Thunderstorm WarningFFCFannin, Gilmer45 min
Mar 11, 12:50 AM ESTSevere Thunderstorm WarningFFCUnion25 min
Mar 11, 1:14 AM ESTSevere Thunderstorm WarningFFCTowns, Union46 min
Mar 11, 9:48 AM ESTSevere Thunderstorm WarningFFCChattahoochee, Muscogee27 min
Mar 11, 10:14 AM ESTSevere Thunderstorm WarningFFCMarion, Talbot31 min
Mar 11, 10:43 AM ESTSevere Thunderstorm WarningFFCTaylor, Upson32 min
Mar 11, 11:26 AM ESTSevere Thunderstorm WarningFFCCrawford34 min
Mar 11, 11:31 AM ESTSevere Thunderstorm WarningFFCSumter29 min
Mar 11, 11:36 AM ESTSevere Thunderstorm WarningFFCWebster24 min
Mar 11, 11:55 AM ESTSevere Thunderstorm WarningFFCBibb, Crawford35 min
Mar 11, 12:03 PM ESTSevere Thunderstorm WarningFFCJones27 min
Mar 11, 12:22 PM ESTSevere Thunderstorm WarningFFCSumter38 min
Mar 11, 12:50 PM ESTSevere Thunderstorm WarningFFCGlascock, Washington40 min
Mar 11, 12:50 PM ESTSevere Thunderstorm WarningFFCWarren40 min
Mar 11, 1:28 PM ESTSevere Thunderstorm WarningFFCHouston32 min
Mar 11, 1:42 PM ESTTornado WarningFFCHouston, Twiggs33 min
Mar 11, 2:08 PM ESTTornado WarningFFCTwiggs, Wilkinson37 min
Mar 11, 2:11 PM ESTSevere Thunderstorm WarningFFCCoweta, Fayette, Meriwether34 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2000Every severe thunderstorm warning in 2000

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.